A 1.5-V, 1.5-GHz CMOS low noise amplifier

A 1.5-GHz low noise amplifier (LNA), intended for use in a global positioning system (GPS) receiver, has been implemented in a standard 0.6-/spl mu/m CMOS process. The amplifier provides a forward gain (S21) of 22 dB with a noise figure of only 3.5 dB while drawing 30 mW from a 1.5 V supply. In this...

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Veröffentlicht in:	IEEE journal of solid-state circuits 1997-05, Vol.32 (5), p.745-759
Hauptverfasser:	Shaeffer, D.K., Lee, T.H.
Format:	Artikel
Sprache:	eng
Schlagworte:	CMOS technology Frequency Global Positioning System Low-noise amplifiers Microwave amplifiers Noise figure Power dissipation Semiconductor device noise Semiconductor optical amplifiers Working environment noise
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Beschreibung
Zusammenfassung:	A 1.5-GHz low noise amplifier (LNA), intended for use in a global positioning system (GPS) receiver, has been implemented in a standard 0.6-/spl mu/m CMOS process. The amplifier provides a forward gain (S21) of 22 dB with a noise figure of only 3.5 dB while drawing 30 mW from a 1.5 V supply. In this paper, we present a detailed analysis of the LNA architecture, including a discussion on the effects of induced gate noise in MOS devices.
ISSN:	0018-9200 1558-173X
DOI:	10.1109/4.568846